1030416818521 has 2 divisors, whose sum is σ = 1030416818522. Its totient is φ = 1030416818520.

The previous prime is 1030416818477. The next prime is 1030416818533. The reversal of 1030416818521 is 1258186140301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 850063716121 + 180353102400 = 921989^2 + 424680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030416818521 - 2³⁷ = 892977865049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1030416818621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515208409260 + 515208409261.

It is an arithmetic number, because the mean of its divisors is an integer number (515208409261).

Almost surely, 2^{1030416818521} is an apocalyptic number.

It is an amenable number.

1030416818521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030416818521 is an equidigital number, since it uses as much as digits as its factorization.

1030416818521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 1030416818521 in words is "one trillion, thirty billion, four hundred sixteen million, eight hundred eighteen thousand, five hundred twenty-one".